diff --git a/src/OpenMesh/Tools/Decimater/McDecimaterT.cc b/src/OpenMesh/Tools/Decimater/McDecimaterT.cc
index f1b15634..a0e2085d 100644
--- a/src/OpenMesh/Tools/Decimater/McDecimaterT.cc
+++ b/src/OpenMesh/Tools/Decimater/McDecimaterT.cc
@@ -60,10 +60,6 @@
 #  include <cfloat>
 #endif
 
-#ifdef USE_OPENMP
-#include <omp.h>
-#endif
-
 //== NAMESPACE ===============================================================
 
 namespace OpenMesh {
@@ -114,9 +110,6 @@ size_t McDecimaterT<Mesh>::decimate(size_t _n_collapses) {
     double bestEnergy = FLT_MAX;
 
     // Generate random samples for collapses
-#ifdef USE_OPENMP
-#pragma omp parallel for shared(bestEnergy, bestHandle)
-#endif
     for ( int i = 0; i < (int)randomSamples_; ++i) {
 
       // Random halfedge handle
@@ -208,9 +201,6 @@ size_t McDecimaterT<Mesh>::decimate_to_faces(size_t _nv, size_t _nf) {
 
     // Generate random samples for collapses
     unsigned int legalCollapses = 0;
-#ifdef USE_OPENMP
-#pragma omp parallel for shared(bestEnergy, bestHandle, legalCollapses)
-#endif
     for ( int i = 0; i < (int)randomSamples_; ++i) {
 
       // Random halfedge handle